N-400 Form – Free PDF | Fill Online in Minutes

USCIS Form N-400

2025 Printable Template

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Form last updated: 03/2024. Please verify this is the current version before use.

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What is a N-400 used for?

Form N-400 is used by lawful permanent residents to apply for U.S. citizenship through the naturalization process. It collects personal information to determine eligibility, including residency duration and knowledge of U.S. history and government.

Who needs to fill out a N-400 form

Lawful permanent residents (green card holders) who meet the eligibility requirements for naturalization.

How to fill out a N-400 online?

Follow these steps to complete your N-400 form online.

Step 1

Review all instructions on the N-400 form carefully.

Step 2

Complete all required fields with accurate information.

Step 3

Indicate 'N/A' for sections that do not apply to you.

Step 4

Collect necessary supporting documents for your application.

Step 5

Sign the form and check if an electronic signature is acceptable.

Step 6

Pay the required application fee as outlined in the instructions.

Step 7

Submit the completed form and documents to the specified address.

USCIS - Form N-400

Frequently Asked Questions

Find quick answers to common questions about our PDF editor.

How long does the naturalization process take after filing N-400?

The naturalization process can vary, but it typically takes several months. Check the USCIS website for current processing times.

What is the application fee for Form N-400?

The fee is subject to change; check the USCIS website for the current fee and information on fee waivers or reductions.

What documents are necessary to submit with Form N-400?

Required documents may include proof of green card status, application fee payment, and identification. Refer to the form instructions for a complete list.

What should I do if I made a mistake on my N-400 application?

Mistakes can lead to delays or denial; ensure the form is filled out accurately. If you realize a mistake after submission, contact USCIS for guidance.

What happens if my N-400 application is denied?

If denied, USCIS will provide a Notice of Action explaining the reasons, and you may appeal or reapply after addressing the issues.

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